The last address of IP address represents


Options: Unicast address B. Network address C. Broadcast address D. None of above

Ans:– C ,






More Computer Networks Related questions:


Which number system is usually followed in a typical 32-bit computer?
Options:  Binary B.  Decimal C.  Hexadecimal D.  Octal

Ans:– A ,


  To insert new slide in the current Presentation, we can choose:
Options: Ctrl+M B. Ctrl+N C. Ctrl+O D. Ctrl+F

Ans:– A ,


You are working with three networks that have the network IDs 192.168.5.0, 192.168.6.0, and 192.168.7.0. What subnet mask can you use to combine these addresses into one?
Options: 255.255.252.0,    225.255.254.0,    255.255.255.240,    255.255.255.252

Ans:A ,A


. The Stepped Reckoner was invented by

Options: A) John Napier B) William Oughtred C) Gottfried Leibnitz D) Blaise Pascal

Ans:C,C


Which command of MS-DOS is used to copy only files that have been modified on or after the date you specify?
Options: XCOPY/D : date,    COPY/D : date,    COPY/M,    XCOPY/V

Ans:A ,A


What will be the output of the program? #include<stdio.h> #include<math.h> int main() { printf("%d, %d, %d\n", sizeof(3.14f), sizeof(3.14), sizeof(3.14l)); return 0; }
Options: 4, 4, 4,    4, 8, 8,    4, 8, 10,    4, 8, 12

Ans:C ,C


To prevent toner from sticking to a laser printer's heat rollers, apply which of the following:
Options: Alcohol,    Oil,    Ammonia,    Beer or Jack Daniels

Ans:B ,B


A bidirectional feedback loop links computer modelling with:
Options: artificial science,    heuristic processing,    human intelligence,    cognitive science

Ans:D ,D


Which option is used with the chmod command recursively to all files and sub-directories in a directory?
Options: -1,    -i,    -x,    -R

Ans:D ,D


. UNIVAC was a first generation computer. What is its full form?

Options: A) Universal Automatic Computer B) Universal Array Computer C) Unique Automatic Computer D) Unvalued Automatic Computer

Ans:A,A


. _______ computers are also called personal computers
Options: A) Mainframe Computer B) Mini Computers C) Micro Computers D) Super Computers

Ans:C,C


Which of the following terminals' output most closely resembles the output produced by a plotter?
Options: graphics terminal,    POS terminal,    hardcopy terminal,    all the above

Ans:A,A


You have a class A network address 10.0.0.0 with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?
Options: 255.240.0.0,    255.248.0.0,    255.252.0.0,    255.254.0.0

Ans:D ,D


The memory address of the first element of an array is called
Options: a. floor address b. foundation address c. first address d. base address

Ans: b, b


Which of the following is an example of a standard IP access list?
Options: access-list 110 permit host 1.1.1.1,    access-list 1 deny 172.16.10.1 0.0.0.0,    access-list 1 permit 172.16.10.1 255.255.0.0,    access-list standard 1.1.1.1

Ans:B ,B


Specialization is which of the following processes?
Options: Defining one or more subtypes of the supertype and forming supertype/subtype relationships.,    Defining one or more supertypes of the subtype and forming supertype/subtype relationships.,    Defining one or more subtypes of the supertype and not forming supertype/subtype relationships.,    Defining one or more supertypes of the subtype and not forming supertype/subtype relationships.

Ans:A ,A


What command is used with vi editor to save file and remain in the editing mode?
Options: x,    q!,    :w,    :q

Ans:C ,C


A high quality CAD system uses the following for printing drawing and graphs
Options: A) Dot matrix printer B) Digital plotter C) Line printer D) All of the above

Ans:-B,-B


The auto calculate feature
Options: a. Can only add values in a range of cells b. Provides a quick way to view the result of an arithmetic operation on a range of cells c. Automatically creates formulas and adds them to a worksheet d. A and c

Ans:#8211; b,#8211; b


The load and index is which of the following?
Options: A process to reject data from the data warehouse and to create the necessary indexes,    A process to load the data in the data warehouse and to create the necessary indexes,    A process to upgrade the quality of data after it is moved into a data warehouse,    A process to upgrade the quality of data before it is moved into a data warehouse

Ans:B ,B


What will be the output of the program? #include<stdio.h> #include<string.h> int main() { char *s; char *fun(); s = fun(); printf("%s\n", s); return 0; } char *fun() { char buffer[30]; strcpy(buffer, "RAM"); return (buffer); }
Options: 0xffff,    Garbage value,    0xffee,    Error

Ans:B ,B


Which is a permanent database in the general model of compiler?
Options: Literal Table,    Identifier Table,    Terminal Table,    Source code

Ans:C ,C


What is placed to the left of horizontal scroll bar
Options: a. Tab stop buttons b. View buttons c. Split buttons d. Indicators

Ans:– B,– B


. Which button might you find in a windows title bar?
Options: a. Close button b. Maximize button c. Minimize button d. All of the above

Ans:3 – d ,3 – d


What form of energy is used for creating static electricity?
Options: Solar energy,    Mechanical energy,    Chemical energy,    Light energy

Ans:D ,D


. Which is the first program run on a computer when the computer boots up?
Options: a. System software b. Operating system c. System operations d. None

Ans: b, b


. The word Abacus is derived from Abax, a word from
Options: A) Latin language B) Greek Language C) Sanskrit language D) Ancient Egypt

Ans:A,A


The expert system developed at MIT to solve mathematical problems is known as:
Options: RAND,    ISIS,    MACSYMA,    MOLGEN

Ans:C ,C


. Which bar is usually located below that Title Bar that provides categorized options?
Options: a. Menu bar b. Status Bar c. Tool bar d. Scroll bar

Ans: –  A , –  A


The minimal set of super key is called
Options: Primary key B. Secondary key C. Candidate key D. Foreign key

Ans:– C ,


What is the purpose of "rb" in fopen() function used below in the code? FILE *fp; fp = fopen("source.txt", "rb");
Options: open "source.txt" in binary mode for reading,    open "source.txt" in binary mode for reading and writing,    Create a new file "source.txt" for reading and writing,    None of above

Ans:A ,A


You are working with a network that has the network ID 172.16.0.0, and you require 25 subnets for your company and an additional 30 for the company that will merge with you within a month. Each network will contain approximately 600 nodes. What subnet mask should you assign?
Options: 255.255.192.0,    255.255.224.0,    255.255.240.0,    255,255.248.0

Ans:E ,E


The institute for Certification of Computer Professionals (ICCP) currently administers the Certificate in Computer Programming (CCP) and the _____ examinations.
Options: CDP,    CISA,    DPMA,    ACM

Ans:A ,A


. Which of the following is an essential file of a MS-DOS boot disk?
Options: a. COMMAND.COM b.START.COM c.TREE.COM d.VER.COM

Ans: a, a


. When you quickly press and release the left mouse button twice you are
Options: a. Primary clicking b. Pointing c. Double clicking d. Secondary clicking

Ans:1 – c ,1 – c


AutoCorrect was originally designed to replace _________ words as you type.
Options:  A) Short, repetitive, B) Grammatically incorrect, C) Misspelled, D) None of the above,

Ans:-C,-C


The complexity of merge sort algorithm is
Options: A)O(n) b.O(log n) c.O(n2) d.O(n log n)

Ans:D,


A remote batch-processing operation in which data is solely input to a central computer would require a:
Options: telegraph line,    simplex lines,    mixedband channel,    All the above

Ans:B ,B


. Size of the primary memory of a PC ranges between
Options: A) 2KB to 8KB B) 64KB & 256KB C) 256KB & 640KB D) None of these

Ans:C,C


. To move to the beginning of a line of text, press the __________ key.
Options: a. a b. pageup c. enter d. home

Ans:9 – d ,9 – d


The following is true about 2-out of-5 code:
Options: it is weighted code,    it is unweighted code,    it has odd parity,    All of the above

Ans:B ,B


Seymour Papert of the MIT AI lab created a programming environment for children called:
Options: BASIC,    LOGO,    MYCIN,    FORTRAN

Ans:B ,B


82. Which option in File pull-down menu is used to close a file in MSWord?
Options: a. New b. Quit c. Close d. Exit

Ans:–  C ,–  C


Which of the following function sets first n characters of a string to a given character?
Options: strinit(),    strnset(),    strset(),    strcset()

Ans:B ,B


A memory in which the information is stored last is on top & is retrieved first is known as
Options: PROM,    Buffer,    Stack,    RAM

Ans:C ,C


Which of the following is true concerning QBE?
Options: An official standard has been defined for QBE.,    QBE cannot be used for client/server systems.,    QBE does not give the programmer a visual programming environment.,    Complete applications can be written using QBE.

Ans:D ,D


Which of the following is not an advantage of decentralized processing over centralized processing?
Options: reduced data communication costs,    improved system reliability,    increased employee productivity,    increased computer system control

Ans:D ,D


. While working with MS DOS which command is used to change the extension of all file names ending with .txt to doc?
Options: a. Ren *.doc *.txt b. Ren .txt .doc c. Ren file.doc file.text d. Ren a:*.doc *.doc

Ans:6 – a ,6 – a


Set of premitted values of each attribute is called
Options: Domain B. Tuple C. Relation D. Schema

Ans:– A ,


Which is not a factor when categorizing a computer?
Options: Speed of the output device,    Amount of main memory the CPU can use,    Cost of the system,    Capacity of the hard disk

Ans:E ,E

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